3916840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 8877960

約数和(自身を除く): 4961120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 541, 724, 905, 1082, 1448, 1810, 2164, 2705, 3620, 4328, 5410, 7240, 10820, 21640, 97921, 195842, 391684, 489605, 783368, 979210, 1958420, 3916840]

約数ペア:

[(1, 3916840), (2, 1958420), (4, 979210), (5, 783368), (8, 489605), (10, 391684), (20, 195842), (40, 97921), (181, 21640), (362, 10820), (541, 7240), (724, 5410), (905, 4328), (1082, 3620), (1448, 2705), (1810, 2164)]